package com.shirlman.yiplayer.ui.activities;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;

import com.shirlman.yiplayer.R;
import com.shirlman.yiplayer.events.VideoEvents;
import com.shirlman.yiplayer.models.VideoGroup;
import com.shirlman.yiplayer.models.VideoInfo;
import com.shirlman.yiplayer.ui.fragments.LocalVideoFragment;
import com.shirlman.yiplayer.ui.fragments.LocalVideoGroupFragment;

import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;

import java.util.List;

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    private final String TAG = MainActivity.class.getSimpleName();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        EventBus.getDefault().register(this);

        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
        drawer.setDrawerListener(toggle);
        toggle.syncState();

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);

        getSupportFragmentManager().beginTransaction().add(R.id.fragment_container, new LocalVideoGroupFragment()).commit();
    }

    @Override
    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        } else {
            super.onBackPressed();
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        // Handle navigation view item clicks here.
        int id = item.getItemId();

        if (id == R.id.nav_camera) {
            // Handle the camera action
        } else if (id == R.id.nav_gallery) {

        } else if (id == R.id.nav_slideshow) {

        } else if (id == R.id.nav_manage) {

        } else if (id == R.id.nav_share) {

        } else if (id == R.id.nav_send) {

        }

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);
        return true;
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();

        EventBus.getDefault().unregister(this);
    }

    private Fragment getCurrentFragment() {
        Fragment currentFragment = null;

        List<Fragment> fragmentList = getSupportFragmentManager().getFragments();

        if(fragmentList != null) {
            for (Fragment fragment : fragmentList) {
                if (fragment != null && fragment.isVisible()) {
                    currentFragment = fragment;

                    break;
                }
            }
        }

        return currentFragment;
    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onEventMainThread(VideoEvents.OpenVideoGroup event) {
        LocalVideoFragment localVideoFragment =  new LocalVideoFragment();
        Bundle bundle = new Bundle();
        bundle.putSerializable(VideoGroup.class.getSimpleName(), event.getVideoGroup());
        localVideoFragment.setArguments(bundle);
        getSupportFragmentManager()
                .beginTransaction()
                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
                .hide(getCurrentFragment())
                .add(R.id.fragment_container, localVideoFragment)
                .addToBackStack(null)
                .commit();
    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onEventMainThread(VideoEvents.PlayLocalVideo event) {
        Intent intent = new Intent(MainActivity.this, VideoActivity.class);
        intent.putExtra(VideoInfo.class.getSimpleName(), event.getVideoInfo());
        startActivity(intent);
    }
}
